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113471 = 233487
BaseRepresentation
bin11011101100111111
312202122122
4123230333
512112341
62233155
7651551
oct335477
9182578
10113471
1178286
12557bb
133c857
142d4d1
152394b
hex1bb3f

113471 has 4 divisors (see below), whose sum is σ = 114192. Its totient is φ = 112752.

The previous prime is 113467. The next prime is 113489. The reversal of 113471 is 174311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 113471 - 22 = 113467 is a prime.

It is a super-3 number, since 3×1134713 = 4383044716758333, which contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 476.

It is an arithmetic number, because the mean of its divisors is an integer number (28548).

2113471 is an apocalyptic number.

113471 is a deficient number, since it is larger than the sum of its proper divisors (721).

113471 is an equidigital number, since it uses as much as digits as its factorization.

113471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720.

The product of its digits is 84, while the sum is 17.

The square root of 113471 is about 336.8545680260. The cubic root of 113471 is about 48.4129589870.

Adding to 113471 its reverse (174311), we get a palindrome (287782).

The spelling of 113471 in words is "one hundred thirteen thousand, four hundred seventy-one".

Divisors: 1 233 487 113471